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Element Index
Hydrogen
Palladium
Phosphorus
Platinum
Plutonium
Polonium
Praseodymium
Promethium
Protactinium
Chemical's truth
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In December 1984, methyl isocyanate was accidentally released in a chemical plant at Bhopal, India, killing around 6000 people. |
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Perchloric acid
CAS no: 7601-90-3 Formula: HClO4 Molecular weight: 100.459
Physical Data
Appearance: Colorless hygroscopic liquid, volatile.
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Melting point: -112°C
Boiling point: 90°C (decompose)
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Density: 1.77 gcm-3
Solubility: -
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Thermodynamic Data (gas phase)
Enthalpy of formation: -
Gibbs energy of formation: -
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Entropy: -
Heat capacity: -
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Production and preparation
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Behavior and Chemical Properties
Combines vigorosly with water. Usually market as 60.7 % HClO4.
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History and Uses
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Hazard, Storage and Handling
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(Last update: July 2003) |
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